Submission by Kinneas

SoundPost turns your journal entry into a personalized AI-generated soundtrack — one card a day, so you never lose how a day felt. Most days dissolve by bedtime. SoundPost fixes that: type a few lines about your day, and ElevenLabs' music generation API produces a unique track that captures the mood. turbopuffer vector search on your journal embeddings then surfaces the days that "felt just like this" — so patterns in your life become visible over time. Tech stack: ElevenLabs — music generation API to synthesize the personalized daily soundtrack from extracted mood tags and key phrases turbopuffer — vector database for semantic similarity search across journal history